Sony KDL-22L5000 / KDL-37L5000 Service Manual ▷ View online
21
KDL-22L5000/37L5000
KDL-22L5000/37L5000
WIRE DRESSING
KDL-22L5000 ONLY
OVERALL VIEW
POWER UNIT
(G/G4)
(G/G4)
TCON
H2
A
CN202
CN201
CN4201
CN402
CN802 CN801
CN4202
CN6201
CN6202
CN6101
CN9100
SWITCH
UNIT
UNIT
SP
SP
22
KDL-22L5000/37L5000
KDL-22L5000/37L5000
KDL-37L5000 ONLY
OVERALL VIEW
INV
(BALANCER)
(BALANCER)
POWER UNIT
(G/G4)
(G/G4)
TCON
H2
A
CN202
CN201
CN4201
CN402
CN802 CN801
CN4202
CN6201
CN6202
CN6101
CN9100
SWITCH
UNIT
UNIT
SP
SP
23
KDL-22L5000/37L5000
KDL-22L5000/37L5000
SECTION 2: SERVICE ADJUSTMENTS
2-1. RESETTING TO FACTORY DEFAULTS
Use the following instructions to restore the User Controls and
Channel Memory settings to the preset factory conditions.
Channel Memory settings to the preset factory conditions.
1. While holding down the on the Remote Commander, press the
POWER button on the right side of the set.
The set restarts and displays the initial setup screen. This may take
several minutes.
several minutes.
24
KDL-22L5000/37L5000
KDL-22L5000/37L5000
SECTION 3: DIAGRAMS
3-1. CIRCUIT BOARDS LOCATION
3-2. PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS INFORMATION
All capacitors are in μF unless otherwise noted. pF : μμF 50WV or
less are not indicated except for electrolytics and tantalums.
less are not indicated except for electrolytics and tantalums.
All electrolytics are in 50V unless otherwise specifi ed.
All resistors are in ohms. k
Ω=1000Ω, MΩ=1000kΩ
Indication of resistance, which does not have one for rating
electrical power, is as follows:
electrical power, is as follows:
Pitch : 5mm
Rating
electrical
power
:
1
/
4
W
1
/
4
W in resistance,
1
/
10
W and
1
/
16
W in chip resistance.
: nonfl ammable resistor
: fusible resistor
: internal component
: panel designation and adjustment for repair
: earth ground
: earth-chassis
All variable and adjustable resistors have characteristic curve B,
unless otherwise noted.
unless otherwise noted.
Readings are taken with a color-bar signal input.
Readings are taken with a 10M
Ω digital multimeter.
Voltages are DC with respect to ground unless otherwise noted.
Voltage variations may be noted due to normal production
tolerances.
tolerances.
All voltages are in V.
S : Measurement impossibility.
: B+line.
: B-line. (Actual measured value may be different).
: signal path. (RF)
Circled numbers are waveform references.
The components identifi ed by shading and
!
symbol are critical for safety. Replace
only with part number specifi ed.
The symbol
indicates a fast operating fuse and is displayed on the component
side of the board. Replace only with fuse of the same rating as marked.
Les composants identifi es per un trame et une marque
!
sont critiques pour la
securite. Ne les remplacer que par une piece portant le numero specifi e.
Le symbole
indique une fusible a action rapide. Doit etre remplace par une
fusible de meme yaleur, comme maque.
NOTE: The components identifi ed by a red outline and a mark contain confi dential
information. Specifi c instructions must be adhered to whenever these components
are repaired and/or replaced.
See Appendix A: Encryption Key Components in the back of this manual.
information. Specifi c instructions must be adhered to whenever these components
are repaired and/or replaced.
See Appendix A: Encryption Key Components in the back of this manual.
POWER UNIT (G4)
Switch Unit
(H1)
(H1)
A
H2
POWER UNIT (G)
Switch Unit
(H1)
(H1)
A
H2
KDL-22L5000
KDL-37L5000
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